Momentum, Impulse, Collisions Review

A grocery shopper tosses a 9.0 kg bag of rice into a stationary 18.0 kg grocery cart. The bag hits the cart with a horizontal speed of 5.5 m/s toward the front of the cart. What is the final speed of the cart and bag?

• 3.66 m/s

• 1.83 m/s

• 1.38 m/s

• 6.33 m/s

Tags

NGSS.HS-PS2-2

Which of the following is a term to describe a type of collisions?

• Bouncy

• Impulse

• Inelastic

• Momentum

Tags

NGSS.HS-PS2-2

A 16.0 kg canoe moving to the left at 12 m/s makes and elastic head-on collision with an 4.0 kg raft moving to the right at 6.0 m/s. After the collision, the raft moves to the left at 22.7 m/s. Find the velocity of the canoe after the collision.

• -12 m/s

• -3.48 m/s

• -4.83 m/s

• -10.8 m/s

Tags

NGSS.HS-PS2-2

How fast does a 6,000 lbs truck have to be moving to have the same momentum as a 2600 lbs car traveling with a velocity of 25 m/s?

• 10.83 m/s

• 11.83 m/s

• 12.83 m/s

• 13.83 m/s

Tags

NGSS.HS-PS2-2

A Volkswagen bus of mass 1200 kg needs a push to get started. An entire family pushes on the bus for 15 s, by which time it has reached a speed of 10 mi/hr. What amount of force did the family push on the bus with?

• 323.3 N

• 253.3 N

• 553.2 N

• 355.2 N

Tags

NGSS.HS-PS2-1

A 0.25 kg arrow with a velocity of 12 m/s to the west strikes and pierces the center of a 6.8 kg target. What is the final velocity of the combined mass?

• 0.43 m/s east

• 4.03 m/s east

• 4.03 m/s west

• 0.43 m/s west

Tags

NGSS.HS-PS2-2

A paintball is shot from a paintball gun. The paintball moves forward and the paintball gun moves in the opposite direction. Which of the following statements is true regarding this scenario?

• They move with the same velocity in opposite directions

• The paintball moves with a slower velocity due to its mass

• The total momentum of the system is zero

• The total momentum of the system does not stay constant before and after the collision

Tags

NGSS.HS-PS2-2

What is the momentum of a toy dart gun of mass 35 grams and a velocity of 4 m/s?

• 140 kg*m/s

• 14.0 kg*m/s

• 1.40 kg*m/s

• 0.14 kg*m/s

Tags

NGSS.HS-PS2-2

A student driver steps on the gas pedal of an 1100 kg car applying a force of 600 N for 5 seconds. Determine the impulse applied to the car.

• 3000 Ns

• 539,000 Ns

• 120 Ns

• 5500 Ns

Tags

NGSS.HS-PS2-1

What is the momentum of a 44,000 lbs Boeing 737 at take off velocity (65 m/s)?

• 2,860,000 kg*m/s

• 677 kg*m/s

• 1,300,000 kg*m/s

• 62,920,00 kg*m/s

Tags

NGSS.HS-PS2-2